(6R,7R)-3-Acetoxymethyl-7-{3-[5-chloro-2-hydroxy-3-(2-hydroxy-benzoyl)-benzoyl]-2-hydroxy-benzoylamino}-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid tert-butyl ester 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 13.0h,
以80%的产率得到(6R,7R)-3-Acetoxymethyl-7-{3-[5-chloro-2-hydroxy-3-(2-hydroxy-benzoyl)-benzoyl]-2-hydroxy-benzoylamino}-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid